Parameter Changes from v3.0 to v4.0 - 4.1 English - PG160

GMII to RGMII Product Guide (PG160)
Document ID
PG160
Release Date
2022-06-15
Version
4.1 English
Table A-1:      Parameters Removed

Parameter Name

Changes

What to do

C_RGMII_TXC_SKEW_EN

Parameter replaced with RGMII_TXC_SKEW

The previous mapping holds true for the new parameter.
Table A-2:      Parameters Added

Parameter Name

Description

Default Value

Allowable Values

RGMII_TXC_SKEW

Provide 2 ns skew on RGMII TXC with respect to RGMII TXD

0

0 = rgmii_txc is edge aligned with respect to rgmii_txd (that is, 2 ns delay added by external PHY)

1 = rgmii_txc is delayed by 2 ns with respect to rgmii_txd by ODELAY (available only in devices having HPIOs)

2 = rgmii_txc is delayed by 2 ns with respect to rgmii_txd by MMCM